Home / 17,617.20-24,312.86-11,638.38

Finding the Fourth Proportional to 17,617.20, 24,312.86 and 11,638.38

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Solution

The fourth proportional to 17,617.20, 24,312.86 and 11,638.38 is: 16,061.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.20 : 24,312.86 = 11,638.38 : x
  2. Step 2: Convert to fraction form
    17,617.20/24,312.86 = 11,638.38/x
  3. Step 3: Cross multiply
    17,617.20x = 24,312.86 × 11,638.38
  4. Step 4: Simplify right side
    17,617.20x = 282,962,303.57
  5. Step 5: Solve for x
    x = 282,962,303.57/17,617.20
  6. Step 6: Final answer
    x = 16,061.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.